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Cheap flights from Chicago O'Hare Intl Airport to Bucharest from $305

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Bucharest departing on 4/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago O'Hare Intl Airport to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
9:40 pm - 6:35 pm
ORD
-
OTP
12h 55m
1 stop
Lufthansa Logo
1:45 pm - 7:55 pm
OTP
-
ORD
14h 10m
1 stop
$510Lufthansa
Wed, Aug 12 - Wed, Aug 26
United Airlines Logo
9:40 pm - 6:35 pm
ORD
-
OTP
12h 55m
1 stop
United Airlines Logo
1:45 pm - 10:16 am
OTP
-
ORD
28h 31m
2 stops
$515United Airlines
Wed, Aug 12 - Wed, Aug 26
Turkish Airlines Logo
8:10 pm - 8:10 am
ORD
-
OTP
28h 00m
1 stop
Turkish Airlines Logo
9:30 am - 9:40 am
OTP
-
ORD
32h 10m
1 stop
$516Turkish Airlines
Tue, Apr 7 - Fri, May 29
Turkish Airlines Logo
11:25 am - 8:10 am
ORD
-
OTP
12h 45m
1 stop
Turkish Airlines Logo
9:30 pm - 9:40 am
OTP
-
ORD
20h 10m
1 stop
$517Turkish Airlines
Sun, May 3 - Wed, May 13
Turkish Airlines Logo
11:25 am - 8:10 am
ORD
-
OTP
12h 45m
1 stop
Turkish Airlines Logo
9:35 pm - 9:40 am
OTP
-
ORD
20h 05m
1 stop
$518Turkish Airlines
Sun, May 3 - Tue, May 12
Lufthansa Logo
3:35 pm - 6:35 pm
ORD
-
OTP
19h 00m
1 stop
Lufthansa Logo
1:45 pm - 7:55 pm
OTP
-
ORD
14h 10m
1 stop
$521Lufthansa
Wed, Aug 12 - Wed, Aug 26
Lufthansa Logo
9:40 pm - 6:35 pm
ORD
-
OTP
12h 55m
1 stop
Lufthansa Logo
1:45 pm - 7:55 pm
OTP
-
ORD
14h 10m
1 stop
$522Lufthansa
Wed, Aug 12 - Wed, Aug 26
SWISS Logo
2:40 pm - 3:20 pm
ORD
-
OTP
16h 40m
1 stop
SWISS Logo
4:10 pm - 12:35 pm
OTP
-
ORD
28h 25m
1 stop
$523SWISS
Tue, Aug 11 - Tue, Aug 25
Lufthansa Logo
9:40 pm - 1:10 am
ORD
-
OTP
19h 30m
1 stop
Lufthansa Logo
1:45 pm - 7:55 pm
OTP
-
ORD
14h 10m
1 stop
$524Lufthansa
Sat, Aug 1 - Wed, Aug 26
Turkish Airlines Logo
8:10 pm - 12:05 pm
ORD
-
OTP
31h 55m
1 stop
Turkish Airlines Logo
9:40 am - 9:40 am
OTP
-
ORD
32h 00m
1 stop
$526Turkish Airlines
Tue, Apr 14 - Tue, Apr 21

Lufthansa flights from Chicago O'Hare Intl Airport to Bucharest

Our best Lufthansa deals on Chicago O'Hare Intl Airport to Bucharest flight tickets
Lufthansa
Aug 12
ORD9:40 pmChicago O'Hare Intl
12h 55m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Aug 26
OTP1:45 pmBucharest Otopeni Intl
14h 10m
1 stop
ORD7:55 pmChicago O'Hare Intl
$510
Lufthansa
Aug 12
ORD3:35 pmChicago O'Hare Intl
19h 00m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Aug 26
OTP1:45 pmBucharest Otopeni Intl
14h 10m
1 stop
ORD7:55 pmChicago O'Hare Intl
$521
Lufthansa
Aug 12
ORD9:40 pmChicago O'Hare Intl
12h 55m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Aug 26
OTP1:45 pmBucharest Otopeni Intl
14h 10m
1 stop
ORD7:55 pmChicago O'Hare Intl
$522

United Airlines flights from Chicago O'Hare Intl Airport to Bucharest

Our best United Airlines deals on Chicago O'Hare Intl Airport to Bucharest flight tickets
United Airlines
Aug 12
ORD9:40 pmChicago O'Hare Intl
12h 55m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Aug 26
OTP1:45 pmBucharest Otopeni Intl
28h 31m
2 stops
ORD10:16 amChicago O'Hare Intl
$515
United Airlines
Aug 12
ORD10:50 amChicago O'Hare Intl
17h 10m
2 stops
OTP12:00 pmBucharest Otopeni Intl
Aug 26
OTP6:05 amBucharest Otopeni Intl
21h 50m
1 stop
ORD7:55 pmChicago O'Hare Intl
$536
United Airlines
Aug 11
ORD12:15 pmChicago O'Hare Intl
15h 45m
2 stops
OTP12:00 pmBucharest Otopeni Intl
Aug 25
OTP1:50 pmBucharest Otopeni Intl
29h 31m
2 stops
ORD11:21 amChicago O'Hare Intl
$539

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Bucharest that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 28, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Bucharest that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

9:40 pm-6:35 pm

1 stop12h 55m

Bucharest Otopeni Intl

Wed 8/26

1:45 pm-7:55 pm

1 stop14h 10m

$510

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

9:40 pm-6:35 pm

1 stop12h 55m

Bucharest Otopeni Intl

Wed 8/26

1:45 pm-10:16 am

2 stops28h 31m

$515

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 4/7

8:10 pm-8:10 am

1 stop28h 00m

Bucharest Otopeni Intl

Fri 5/29

9:30 am-9:40 am

1 stop32h 10m

$516

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 5/3

11:25 am-8:10 am

1 stop12h 45m

Bucharest Otopeni Intl

Wed 5/13

9:30 pm-9:40 am

1 stop20h 10m

$517

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 5/3

11:25 am-8:10 am

1 stop12h 45m

Bucharest Otopeni Intl

Tue 5/12

9:35 pm-9:40 am

1 stop20h 05m

$518

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

3:35 pm-6:35 pm

1 stop19h 00m

Bucharest Otopeni Intl

Wed 8/26

1:45 pm-7:55 pm

1 stop14h 10m

$521

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

9:40 pm-6:35 pm

1 stop12h 55m

Bucharest Otopeni Intl

Wed 8/26

1:45 pm-7:55 pm

1 stop14h 10m

$522

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 8/11

2:40 pm-3:20 pm

1 stop16h 40m

Bucharest Otopeni Intl

Tue 8/25

4:10 pm-12:35 pm

1 stop28h 25m

$523

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 8/1

9:40 pm-1:10 am

1 stop19h 30m

Bucharest Otopeni Intl

Wed 8/26

1:45 pm-7:55 pm

1 stop14h 10m

$524

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 4/14

8:10 pm-12:05 pm

1 stop31h 55m

Bucharest Otopeni Intl

Tue 4/21

9:40 am-9:40 am

1 stop32h 00m

$526

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bucharest from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Bucharest

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Bucharest?

In general, February is the cheapest month to fly from Chicago O'Hare Intl Airport to Bucharest. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $489. If you aren’t able to travel to Bucharest during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $536.

What is the cheapest day to depart on your flight to Bucharest?

Our data shows that Monday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $829. The most expensive day to fly to Bucharest is Tuesday, with ticket prices averaging around $860.

What is the cheapest Chicago O'Hare Intl to Bucharest flight route?

Fly from Chicago O'Hare Intl to Bucharest Otopeni Intl for the best Chicago O'Hare Intl - Bucharest flight prices

How far in advance should I book a flight to Bucharest?

You are more likely to see cheaper flights to Bucharest from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Bucharest for around $720 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bucharest from Chicago O'Hare Intl Airport for as low as $365 on momondo.

What cabin class options are available on Chicago O'Hare Intl to Bucharest flights?

There are 2 cabin classes available to choose from on Chicago O'Hare Intl to Bucharest flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago O'Hare Intl Airport to Bucharest flights?

No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to Bucharest.

When to book flights from Chicago O'Hare Intl Airport to Bucharest

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Bucharest according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Bucharest (ORD to BUH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Bucharest

Best Price Found

$788

Fastest flight time

9h 50m

Direct flights

Mon and Fri

Airports in Bucharest

2 airports
The best flight deal from Chicago O'Hare Intl Airport to Bucharest found on momondo in the last 72 hours is $788
The fastest flight from Chicago O'Hare Intl Airport to Bucharest takes 9h 50m
Direct flights go from Chicago O'Hare Intl Airport to Bucharest on Monday and Friday. There are no airlines offering direct flights.
There are 2 airports in Bucharest. From Chicago O'Hare Intl Airport there are direct flights to Bucharest Otopeni Intl (OTP).
Search flight deals

  • How far is Chicago O'Hare Intl to Bucharest by plane?

    A flight from Chicago O'Hare Intl to Bucharest will travel around 5205.0 mi. Flights usually cover this in 9h 50m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Bucharest?

    Prices for flights from Chicago O'Hare Intl Airport to Bucharest are updated daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Bucharest?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Bucharest?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Bucharest.

  • What documentation or ID do you need to fly to Bucharest?

    The required travel and health documents for your Bucharest trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bucharest. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Chicago O'Hare Intl Airport to Bucharest?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Bucharest?

Best airlines flying from Chicago O'Hare Intl Airport to Bucharest

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Bucharest with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $300Free CancellationRating
7.4
9,371 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $326Free CancellationRating
7.3
1,700 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $503Free CancellationRating
7.3
4,239 reviews
Search Turkish Airlines flights
Austrian AirlinesPriceFrom $517Free CancellationRating
7.6
901 reviews
Search Austrian Airlines flights
KLMPriceFrom $539Free CancellationRating
7.7
1,461 reviews
Search KLM flights
British AirwaysPriceFrom $542Free CancellationRating
6.7
7,772 reviews
Search British Airways flights
LufthansaPriceFrom $559Free CancellationRating
6.8
7,818 reviews
Search Lufthansa flights
LOTPriceFrom $562Free CancellationRating
7.5
1,182 reviews
Search LOT flights
Air FrancePriceFrom $569Free CancellationRating
7.4
1,541 reviews
Search Air France flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,240 reviews
Search Delta flights

Traveling to a place near Bucharest?

Book flights to Bucharest if you plan to visit one of these locations
Otopeni

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Bucharest?

It is quick and easy to find Chicago to Bucharest flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bucharest that suits you.

Can I find flights from Chicago to Bucharest with flexible booking policies on momondo?

Flights from Chicago to Bucharest with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chicago to Bucharest?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bucharest from Chicago.

I’m not ready to book a flight from Chicago to Bucharest right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Bucharest flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Romania

Fly into one of these airports located in Bucharest

Airports listed have a maximum distance of 9.6 mi from Bucharest
Bucharest Otopeni Intl Airport